Home / 105,005.40-157,508.10-60,718.65

Finding the Fourth Proportional to 105,005.40, 157,508.10 and 60,718.65

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Solution

The fourth proportional to 105,005.40, 157,508.10 and 60,718.65 is: 91,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,005.40 : 157,508.10 = 60,718.65 : x
  2. Step 2: Convert to fraction form
    105,005.40/157,508.10 = 60,718.65/x
  3. Step 3: Cross multiply
    105,005.40x = 157,508.10 × 60,718.65
  4. Step 4: Simplify right side
    105,005.40x = 9,563,679,196.07
  5. Step 5: Solve for x
    x = 9,563,679,196.07/105,005.40
  6. Step 6: Final answer
    x = 91,077.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.