Home / 107,312.68-148,084.32-64,894.60

Finding the Fourth Proportional to 107,312.68, 148,084.32 and 64,894.60

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Solution

The fourth proportional to 107,312.68, 148,084.32 and 64,894.60 is: 89,550.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,312.68 : 148,084.32 = 64,894.60 : x
  2. Step 2: Convert to fraction form
    107,312.68/148,084.32 = 64,894.60/x
  3. Step 3: Cross multiply
    107,312.68x = 148,084.32 × 64,894.60
  4. Step 4: Simplify right side
    107,312.68x = 9,609,872,712.67
  5. Step 5: Solve for x
    x = 9,609,872,712.67/107,312.68
  6. Step 6: Final answer
    x = 89,550.21

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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.