Home / 85,746.48-118,326.96-47,503.68

Finding the Fourth Proportional to 85,746.48, 118,326.96 and 47,503.68

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Solution

The fourth proportional to 85,746.48, 118,326.96 and 47,503.68 is: 65,553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,746.48 : 118,326.96 = 47,503.68 : x
  2. Step 2: Convert to fraction form
    85,746.48/118,326.96 = 47,503.68/x
  3. Step 3: Cross multiply
    85,746.48x = 118,326.96 × 47,503.68
  4. Step 4: Simplify right side
    85,746.48x = 5,620,966,043.21
  5. Step 5: Solve for x
    x = 5,620,966,043.21/85,746.48
  6. Step 6: Final answer
    x = 65,553.32

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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.