Home / 90,500.56-124,894.98-56,529.16

Finding the Fourth Proportional to 90,500.56, 124,894.98 and 56,529.16

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Solution

The fourth proportional to 90,500.56, 124,894.98 and 56,529.16 is: 78,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,500.56 : 124,894.98 = 56,529.16 : x
  2. Step 2: Convert to fraction form
    90,500.56/124,894.98 = 56,529.16/x
  3. Step 3: Cross multiply
    90,500.56x = 124,894.98 × 56,529.16
  4. Step 4: Simplify right side
    90,500.56x = 7,060,208,307.62
  5. Step 5: Solve for x
    x = 7,060,208,307.62/90,500.56
  6. Step 6: Final answer
    x = 78,012.87

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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.