Home / 90,352.51-124,683.10-52,113.62

Finding the Fourth Proportional to 90,352.51, 124,683.10 and 52,113.62

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Solution

The fourth proportional to 90,352.51, 124,683.10 and 52,113.62 is: 71,914.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,352.51 : 124,683.10 = 52,113.62 : x
  2. Step 2: Convert to fraction form
    90,352.51/124,683.10 = 52,113.62/x
  3. Step 3: Cross multiply
    90,352.51x = 124,683.10 × 52,113.62
  4. Step 4: Simplify right side
    90,352.51x = 6,497,687,875.25
  5. Step 5: Solve for x
    x = 6,497,687,875.25/90,352.51
  6. Step 6: Final answer
    x = 71,914.86

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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.