Home / 107,329.64-148,088.58-64,316.12

Finding the Fourth Proportional to 107,329.64, 148,088.58 and 64,316.12

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Solution

The fourth proportional to 107,329.64, 148,088.58 and 64,316.12 is: 88,740.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,329.64 : 148,088.58 = 64,316.12 : x
  2. Step 2: Convert to fraction form
    107,329.64/148,088.58 = 64,316.12/x
  3. Step 3: Cross multiply
    107,329.64x = 148,088.58 × 64,316.12
  4. Step 4: Simplify right side
    107,329.64x = 9,524,482,881.91
  5. Step 5: Solve for x
    x = 9,524,482,881.91/107,329.64
  6. Step 6: Final answer
    x = 88,740.47

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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.