Home / 85,038.69-117,337.50-47,312.94

Finding the Fourth Proportional to 85,038.69, 117,337.50 and 47,312.94

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Solution

The fourth proportional to 85,038.69, 117,337.50 and 47,312.94 is: 65,283.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,038.69 : 117,337.50 = 47,312.94 : x
  2. Step 2: Convert to fraction form
    85,038.69/117,337.50 = 47,312.94/x
  3. Step 3: Cross multiply
    85,038.69x = 117,337.50 × 47,312.94
  4. Step 4: Simplify right side
    85,038.69x = 5,551,582,097.25
  5. Step 5: Solve for x
    x = 5,551,582,097.25/85,038.69
  6. Step 6: Final answer
    x = 65,283.02

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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.