Home / 124,071.68-171,235.52-70,376.16

Finding the Fourth Proportional to 124,071.68, 171,235.52 and 70,376.16

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Solution

The fourth proportional to 124,071.68, 171,235.52 and 70,376.16 is: 97,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,071.68 : 171,235.52 = 70,376.16 : x
  2. Step 2: Convert to fraction form
    124,071.68/171,235.52 = 70,376.16/x
  3. Step 3: Cross multiply
    124,071.68x = 171,235.52 × 70,376.16
  4. Step 4: Simplify right side
    124,071.68x = 12,050,898,353.20
  5. Step 5: Solve for x
    x = 12,050,898,353.20/124,071.68
  6. Step 6: Final answer
    x = 97,128.52

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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.