Home / 86,452.90-129,683.40-42,026.68

Finding the Fourth Proportional to 86,452.90, 129,683.40 and 42,026.68

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Solution

The fourth proportional to 86,452.90, 129,683.40 and 42,026.68 is: 63,041.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,452.90 : 129,683.40 = 42,026.68 : x
  2. Step 2: Convert to fraction form
    86,452.90/129,683.40 = 42,026.68/x
  3. Step 3: Cross multiply
    86,452.90x = 129,683.40 × 42,026.68
  4. Step 4: Simplify right side
    86,452.90x = 5,450,162,753.11
  5. Step 5: Solve for x
    x = 5,450,162,753.11/86,452.90
  6. Step 6: Final answer
    x = 63,041.99

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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.