Home / 85,838.28-118,458.25-47,599.45

Finding the Fourth Proportional to 85,838.28, 118,458.25 and 47,599.45

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Solution

The fourth proportional to 85,838.28, 118,458.25 and 47,599.45 is: 65,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,838.28 : 118,458.25 = 47,599.45 : x
  2. Step 2: Convert to fraction form
    85,838.28/118,458.25 = 47,599.45/x
  3. Step 3: Cross multiply
    85,838.28x = 118,458.25 × 47,599.45
  4. Step 4: Simplify right side
    85,838.28x = 5,638,547,132.82
  5. Step 5: Solve for x
    x = 5,638,547,132.82/85,838.28
  6. Step 6: Final answer
    x = 65,688.02

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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.