Home / 123,925.85-171,017.08-70,210.75

Finding the Fourth Proportional to 123,925.85, 171,017.08 and 70,210.75

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Solution

The fourth proportional to 123,925.85, 171,017.08 and 70,210.75 is: 96,890.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,925.85 : 171,017.08 = 70,210.75 : x
  2. Step 2: Convert to fraction form
    123,925.85/171,017.08 = 70,210.75/x
  3. Step 3: Cross multiply
    123,925.85x = 171,017.08 × 70,210.75
  4. Step 4: Simplify right side
    123,925.85x = 12,007,237,877.15
  5. Step 5: Solve for x
    x = 12,007,237,877.15/123,925.85
  6. Step 6: Final answer
    x = 96,890.50

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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.