Home / 86,302.95-129,288.57-52,925.69

Finding the Fourth Proportional to 86,302.95, 129,288.57 and 52,925.69

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Solution

The fourth proportional to 86,302.95, 129,288.57 and 52,925.69 is: 79,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,302.95 : 129,288.57 = 52,925.69 : x
  2. Step 2: Convert to fraction form
    86,302.95/129,288.57 = 52,925.69/x
  3. Step 3: Cross multiply
    86,302.95x = 129,288.57 × 52,925.69
  4. Step 4: Simplify right side
    86,302.95x = 6,842,686,129.92
  5. Step 5: Solve for x
    x = 6,842,686,129.92/86,302.95
  6. Step 6: Final answer
    x = 79,286.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.