Home / 86,700.05-130,050.07-24,370.55

Finding the Fourth Proportional to 86,700.05, 130,050.07 and 24,370.55

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Solution

The fourth proportional to 86,700.05, 130,050.07 and 24,370.55 is: 36,555.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,700.05 : 130,050.07 = 24,370.55 : x
  2. Step 2: Convert to fraction form
    86,700.05/130,050.07 = 24,370.55/x
  3. Step 3: Cross multiply
    86,700.05x = 130,050.07 × 24,370.55
  4. Step 4: Simplify right side
    86,700.05x = 3,169,391,601.34
  5. Step 5: Solve for x
    x = 3,169,391,601.34/86,700.05
  6. Step 6: Final answer
    x = 36,555.82

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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.