Home / 85,624.95-118,159.53-47,386.11

Finding the Fourth Proportional to 85,624.95, 118,159.53 and 47,386.11

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Solution

The fourth proportional to 85,624.95, 118,159.53 and 47,386.11 is: 65,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,624.95 : 118,159.53 = 47,386.11 : x
  2. Step 2: Convert to fraction form
    85,624.95/118,159.53 = 47,386.11/x
  3. Step 3: Cross multiply
    85,624.95x = 118,159.53 × 47,386.11
  4. Step 4: Simplify right side
    85,624.95x = 5,599,120,751.53
  5. Step 5: Solve for x
    x = 5,599,120,751.53/85,624.95
  6. Step 6: Final answer
    x = 65,391.23

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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.