Home / 71,197.02-98,138.76-56,065.68

Finding the Fourth Proportional to 71,197.02, 98,138.76 and 56,065.68

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Solution

The fourth proportional to 71,197.02, 98,138.76 and 56,065.68 is: 77,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,197.02 : 98,138.76 = 56,065.68 : x
  2. Step 2: Convert to fraction form
    71,197.02/98,138.76 = 56,065.68/x
  3. Step 3: Cross multiply
    71,197.02x = 98,138.76 × 56,065.68
  4. Step 4: Simplify right side
    71,197.02x = 5,502,216,313.76
  5. Step 5: Solve for x
    x = 5,502,216,313.76/71,197.02
  6. Step 6: Final answer
    x = 77,281.55

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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.