Home / 85,678.22-118,232.75-47,437.01

Finding the Fourth Proportional to 85,678.22, 118,232.75 and 47,437.01

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Solution

The fourth proportional to 85,678.22, 118,232.75 and 47,437.01 is: 65,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,678.22 : 118,232.75 = 47,437.01 : x
  2. Step 2: Convert to fraction form
    85,678.22/118,232.75 = 47,437.01/x
  3. Step 3: Cross multiply
    85,678.22x = 118,232.75 × 47,437.01
  4. Step 4: Simplify right side
    85,678.22x = 5,608,607,315.73
  5. Step 5: Solve for x
    x = 5,608,607,315.73/85,678.22
  6. Step 6: Final answer
    x = 65,461.30

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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.