Home / 97,130.46-134,038.02-54,109.89

Finding the Fourth Proportional to 97,130.46, 134,038.02 and 54,109.89

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Solution

The fourth proportional to 97,130.46, 134,038.02 and 54,109.89 is: 74,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,130.46 : 134,038.02 = 54,109.89 : x
  2. Step 2: Convert to fraction form
    97,130.46/134,038.02 = 54,109.89/x
  3. Step 3: Cross multiply
    97,130.46x = 134,038.02 × 54,109.89
  4. Step 4: Simplify right side
    97,130.46x = 7,252,782,518.02
  5. Step 5: Solve for x
    x = 7,252,782,518.02/97,130.46
  6. Step 6: Final answer
    x = 74,670.53

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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.