Home / 70,285.61-96,995.55-38,455.20

Finding the Fourth Proportional to 70,285.61, 96,995.55 and 38,455.20

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Solution

The fourth proportional to 70,285.61, 96,995.55 and 38,455.20 is: 53,068.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,285.61 : 96,995.55 = 38,455.20 : x
  2. Step 2: Convert to fraction form
    70,285.61/96,995.55 = 38,455.20/x
  3. Step 3: Cross multiply
    70,285.61x = 96,995.55 × 38,455.20
  4. Step 4: Simplify right side
    70,285.61x = 3,729,983,274.36
  5. Step 5: Solve for x
    x = 3,729,983,274.36/70,285.61
  6. Step 6: Final answer
    x = 53,068.94

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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.