Home / 109,349.11-150,875.22-61,602.40

Finding the Fourth Proportional to 109,349.11, 150,875.22 and 61,602.40

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Solution

The fourth proportional to 109,349.11, 150,875.22 and 61,602.40 is: 84,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,349.11 : 150,875.22 = 61,602.40 : x
  2. Step 2: Convert to fraction form
    109,349.11/150,875.22 = 61,602.40/x
  3. Step 3: Cross multiply
    109,349.11x = 150,875.22 × 61,602.40
  4. Step 4: Simplify right side
    109,349.11x = 9,294,275,652.53
  5. Step 5: Solve for x
    x = 9,294,275,652.53/109,349.11
  6. Step 6: Final answer
    x = 84,996.35

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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.