Home / 85,775.81-118,370.91-47,536.01

Finding the Fourth Proportional to 85,775.81, 118,370.91 and 47,536.01

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Solution

The fourth proportional to 85,775.81, 118,370.91 and 47,536.01 is: 65,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,775.81 : 118,370.91 = 47,536.01 : x
  2. Step 2: Convert to fraction form
    85,775.81/118,370.91 = 47,536.01/x
  3. Step 3: Cross multiply
    85,775.81x = 118,370.91 × 47,536.01
  4. Step 4: Simplify right side
    85,775.81x = 5,626,880,169.61
  5. Step 5: Solve for x
    x = 5,626,880,169.61/85,775.81
  6. Step 6: Final answer
    x = 65,599.85

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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.