Home / 113,011.84-155,954.88-62,709.76

Finding the Fourth Proportional to 113,011.84, 155,954.88 and 62,709.76

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Solution

The fourth proportional to 113,011.84, 155,954.88 and 62,709.76 is: 86,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,011.84 : 155,954.88 = 62,709.76 : x
  2. Step 2: Convert to fraction form
    113,011.84/155,954.88 = 62,709.76/x
  3. Step 3: Cross multiply
    113,011.84x = 155,954.88 × 62,709.76
  4. Step 4: Simplify right side
    113,011.84x = 9,779,893,095.63
  5. Step 5: Solve for x
    x = 9,779,893,095.63/113,011.84
  6. Step 6: Final answer
    x = 86,538.66

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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.