Home / 125,032.10-172,533.35-74,035.67

Finding the Fourth Proportional to 125,032.10, 172,533.35 and 74,035.67

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Solution

The fourth proportional to 125,032.10, 172,533.35 and 74,035.67 is: 102,162.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,032.10 : 172,533.35 = 74,035.67 : x
  2. Step 2: Convert to fraction form
    125,032.10/172,533.35 = 74,035.67/x
  3. Step 3: Cross multiply
    125,032.10x = 172,533.35 × 74,035.67
  4. Step 4: Simplify right side
    125,032.10x = 12,773,620,931.75
  5. Step 5: Solve for x
    x = 12,773,620,931.75/125,032.10
  6. Step 6: Final answer
    x = 102,162.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.