Home / 77,539.17-107,009.46-52,088.04

Finding the Fourth Proportional to 77,539.17, 107,009.46 and 52,088.04

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Solution

The fourth proportional to 77,539.17, 107,009.46 and 52,088.04 is: 71,885.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,539.17 : 107,009.46 = 52,088.04 : x
  2. Step 2: Convert to fraction form
    77,539.17/107,009.46 = 52,088.04/x
  3. Step 3: Cross multiply
    77,539.17x = 107,009.46 × 52,088.04
  4. Step 4: Simplify right side
    77,539.17x = 5,573,913,032.86
  5. Step 5: Solve for x
    x = 5,573,913,032.86/77,539.17
  6. Step 6: Final answer
    x = 71,885.13

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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.