Home / 85,770.36-118,368.54-48,050.28

Finding the Fourth Proportional to 85,770.36, 118,368.54 and 48,050.28

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Solution

The fourth proportional to 85,770.36, 118,368.54 and 48,050.28 is: 66,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,770.36 : 118,368.54 = 48,050.28 : x
  2. Step 2: Convert to fraction form
    85,770.36/118,368.54 = 48,050.28/x
  3. Step 3: Cross multiply
    85,770.36x = 118,368.54 × 48,050.28
  4. Step 4: Simplify right side
    85,770.36x = 5,687,641,490.19
  5. Step 5: Solve for x
    x = 5,687,641,490.19/85,770.36
  6. Step 6: Final answer
    x = 66,312.44

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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.