Home / 72,526.40-108,293.24-64,981.25

Finding the Fourth Proportional to 72,526.40, 108,293.24 and 64,981.25

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Solution

The fourth proportional to 72,526.40, 108,293.24 and 64,981.25 is: 97,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,526.40 : 108,293.24 = 64,981.25 : x
  2. Step 2: Convert to fraction form
    72,526.40/108,293.24 = 64,981.25/x
  3. Step 3: Cross multiply
    72,526.40x = 108,293.24 × 64,981.25
  4. Step 4: Simplify right side
    72,526.40x = 7,037,029,722.74
  5. Step 5: Solve for x
    x = 7,037,029,722.74/72,526.40
  6. Step 6: Final answer
    x = 97,027.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.