Home / 88,420.32-122,017.08-52,602.12

Finding the Fourth Proportional to 88,420.32, 122,017.08 and 52,602.12

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Solution

The fourth proportional to 88,420.32, 122,017.08 and 52,602.12 is: 72,589.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,420.32 : 122,017.08 = 52,602.12 : x
  2. Step 2: Convert to fraction form
    88,420.32/122,017.08 = 52,602.12/x
  3. Step 3: Cross multiply
    88,420.32x = 122,017.08 × 52,602.12
  4. Step 4: Simplify right side
    88,420.32x = 6,418,357,084.21
  5. Step 5: Solve for x
    x = 6,418,357,084.21/88,420.32
  6. Step 6: Final answer
    x = 72,589.16

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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.