Home / 71,181.81-98,228.16-42,506.29

Finding the Fourth Proportional to 71,181.81, 98,228.16 and 42,506.29

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Solution

The fourth proportional to 71,181.81, 98,228.16 and 42,506.29 is: 58,657.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,181.81 : 98,228.16 = 42,506.29 : x
  2. Step 2: Convert to fraction form
    71,181.81/98,228.16 = 42,506.29/x
  3. Step 3: Cross multiply
    71,181.81x = 98,228.16 × 42,506.29
  4. Step 4: Simplify right side
    71,181.81x = 4,175,314,655.13
  5. Step 5: Solve for x
    x = 4,175,314,655.13/71,181.81
  6. Step 6: Final answer
    x = 58,657.05

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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.