Home / 94,871.04-130,884.48-57,140.16

Finding the Fourth Proportional to 94,871.04, 130,884.48 and 57,140.16

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Solution

The fourth proportional to 94,871.04, 130,884.48 and 57,140.16 is: 78,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,871.04 : 130,884.48 = 57,140.16 : x
  2. Step 2: Convert to fraction form
    94,871.04/130,884.48 = 57,140.16/x
  3. Step 3: Cross multiply
    94,871.04x = 130,884.48 × 57,140.16
  4. Step 4: Simplify right side
    94,871.04x = 7,478,760,128.72
  5. Step 5: Solve for x
    x = 7,478,760,128.72/94,871.04
  6. Step 6: Final answer
    x = 78,830.80

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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.