Home / 77,037.49-106,312.44-45,206.92

Finding the Fourth Proportional to 77,037.49, 106,312.44 and 45,206.92

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Solution

The fourth proportional to 77,037.49, 106,312.44 and 45,206.92 is: 62,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,037.49 : 106,312.44 = 45,206.92 : x
  2. Step 2: Convert to fraction form
    77,037.49/106,312.44 = 45,206.92/x
  3. Step 3: Cross multiply
    77,037.49x = 106,312.44 × 45,206.92
  4. Step 4: Simplify right side
    77,037.49x = 4,806,057,970.08
  5. Step 5: Solve for x
    x = 4,806,057,970.08/77,037.49
  6. Step 6: Final answer
    x = 62,385.96

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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.