Home / 64,311.19-88,700.65-56,339.58

Finding the Fourth Proportional to 64,311.19, 88,700.65 and 56,339.58

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Solution

The fourth proportional to 64,311.19, 88,700.65 and 56,339.58 is: 77,705.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,311.19 : 88,700.65 = 56,339.58 : x
  2. Step 2: Convert to fraction form
    64,311.19/88,700.65 = 56,339.58/x
  3. Step 3: Cross multiply
    64,311.19x = 88,700.65 × 56,339.58
  4. Step 4: Simplify right side
    64,311.19x = 4,997,357,366.73
  5. Step 5: Solve for x
    x = 4,997,357,366.73/64,311.19
  6. Step 6: Final answer
    x = 77,705.88

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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.