Home / 127,932.73-176,547.35-70,570.77

Finding the Fourth Proportional to 127,932.73, 176,547.35 and 70,570.77

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Solution

The fourth proportional to 127,932.73, 176,547.35 and 70,570.77 is: 97,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,932.73 : 176,547.35 = 70,570.77 : x
  2. Step 2: Convert to fraction form
    127,932.73/176,547.35 = 70,570.77/x
  3. Step 3: Cross multiply
    127,932.73x = 176,547.35 × 70,570.77
  4. Step 4: Simplify right side
    127,932.73x = 12,459,082,430.96
  5. Step 5: Solve for x
    x = 12,459,082,430.96/127,932.73
  6. Step 6: Final answer
    x = 97,387.76

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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.