Home / 80,062.02-119,506.76-70,603.86

Finding the Fourth Proportional to 80,062.02, 119,506.76 and 70,603.86

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Solution

The fourth proportional to 80,062.02, 119,506.76 and 70,603.86 is: 105,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,062.02 : 119,506.76 = 70,603.86 : x
  2. Step 2: Convert to fraction form
    80,062.02/119,506.76 = 70,603.86/x
  3. Step 3: Cross multiply
    80,062.02x = 119,506.76 × 70,603.86
  4. Step 4: Simplify right side
    80,062.02x = 8,437,638,199.07
  5. Step 5: Solve for x
    x = 8,437,638,199.07/80,062.02
  6. Step 6: Final answer
    x = 105,388.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.