Home / 107,030.30-147,701.52-61,708.07

Finding the Fourth Proportional to 107,030.30, 147,701.52 and 61,708.07

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Solution

The fourth proportional to 107,030.30, 147,701.52 and 61,708.07 is: 85,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,030.30 : 147,701.52 = 61,708.07 : x
  2. Step 2: Convert to fraction form
    107,030.30/147,701.52 = 61,708.07/x
  3. Step 3: Cross multiply
    107,030.30x = 147,701.52 × 61,708.07
  4. Step 4: Simplify right side
    107,030.30x = 9,114,374,996.76
  5. Step 5: Solve for x
    x = 9,114,374,996.76/107,030.30
  6. Step 6: Final answer
    x = 85,156.96

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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.