Home / 85,580.13-118,098.16-47,341.65

Finding the Fourth Proportional to 85,580.13, 118,098.16 and 47,341.65

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Solution

The fourth proportional to 85,580.13, 118,098.16 and 47,341.65 is: 65,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,580.13 : 118,098.16 = 47,341.65 : x
  2. Step 2: Convert to fraction form
    85,580.13/118,098.16 = 47,341.65/x
  3. Step 3: Cross multiply
    85,580.13x = 118,098.16 × 47,341.65
  4. Step 4: Simplify right side
    85,580.13x = 5,590,961,756.36
  5. Step 5: Solve for x
    x = 5,590,961,756.36/85,580.13
  6. Step 6: Final answer
    x = 65,330.14

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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.