Home / 86,114.28-118,822.50-52,591.08

Finding the Fourth Proportional to 86,114.28, 118,822.50 and 52,591.08

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Solution

The fourth proportional to 86,114.28, 118,822.50 and 52,591.08 is: 72,566.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,114.28 : 118,822.50 = 52,591.08 : x
  2. Step 2: Convert to fraction form
    86,114.28/118,822.50 = 52,591.08/x
  3. Step 3: Cross multiply
    86,114.28x = 118,822.50 × 52,591.08
  4. Step 4: Simplify right side
    86,114.28x = 6,249,003,603.30
  5. Step 5: Solve for x
    x = 6,249,003,603.30/86,114.28
  6. Step 6: Final answer
    x = 72,566.40

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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.