Home / 90,506.14-124,904.45-52,267.30

Finding the Fourth Proportional to 90,506.14, 124,904.45 and 52,267.30

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Solution

The fourth proportional to 90,506.14, 124,904.45 and 52,267.30 is: 72,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,506.14 : 124,904.45 = 52,267.30 : x
  2. Step 2: Convert to fraction form
    90,506.14/124,904.45 = 52,267.30/x
  3. Step 3: Cross multiply
    90,506.14x = 124,904.45 × 52,267.30
  4. Step 4: Simplify right side
    90,506.14x = 6,528,417,883.89
  5. Step 5: Solve for x
    x = 6,528,417,883.89/90,506.14
  6. Step 6: Final answer
    x = 72,132.32

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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.