Home / 70,387.28-97,097.64-43,521.20

Finding the Fourth Proportional to 70,387.28, 97,097.64 and 43,521.20

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Solution

The fourth proportional to 70,387.28, 97,097.64 and 43,521.20 is: 60,036.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,387.28 : 97,097.64 = 43,521.20 : x
  2. Step 2: Convert to fraction form
    70,387.28/97,097.64 = 43,521.20/x
  3. Step 3: Cross multiply
    70,387.28x = 97,097.64 × 43,521.20
  4. Step 4: Simplify right side
    70,387.28x = 4,225,805,809.97
  5. Step 5: Solve for x
    x = 4,225,805,809.97/70,387.28
  6. Step 6: Final answer
    x = 60,036.50

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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.