Home / 74,430.02-111,395.54-61,102.28

Finding the Fourth Proportional to 74,430.02, 111,395.54 and 61,102.28

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Solution

The fourth proportional to 74,430.02, 111,395.54 and 61,102.28 is: 91,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,430.02 : 111,395.54 = 61,102.28 : x
  2. Step 2: Convert to fraction form
    74,430.02/111,395.54 = 61,102.28/x
  3. Step 3: Cross multiply
    74,430.02x = 111,395.54 × 61,102.28
  4. Step 4: Simplify right side
    74,430.02x = 6,806,521,475.83
  5. Step 5: Solve for x
    x = 6,806,521,475.83/74,430.02
  6. Step 6: Final answer
    x = 91,448.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.