Home / 63,070.64-87,038.18-34,390.07

Finding the Fourth Proportional to 63,070.64, 87,038.18 and 34,390.07

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Solution

The fourth proportional to 63,070.64, 87,038.18 and 34,390.07 is: 47,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,070.64 : 87,038.18 = 34,390.07 : x
  2. Step 2: Convert to fraction form
    63,070.64/87,038.18 = 34,390.07/x
  3. Step 3: Cross multiply
    63,070.64x = 87,038.18 × 34,390.07
  4. Step 4: Simplify right side
    63,070.64x = 2,993,248,495.73
  5. Step 5: Solve for x
    x = 2,993,248,495.73/63,070.64
  6. Step 6: Final answer
    x = 47,458.67

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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.