Home / 98,670.61-136,166.94-56,228.23

Finding the Fourth Proportional to 98,670.61, 136,166.94 and 56,228.23

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Solution

The fourth proportional to 98,670.61, 136,166.94 and 56,228.23 is: 77,595.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,670.61 : 136,166.94 = 56,228.23 : x
  2. Step 2: Convert to fraction form
    98,670.61/136,166.94 = 56,228.23/x
  3. Step 3: Cross multiply
    98,670.61x = 136,166.94 × 56,228.23
  4. Step 4: Simplify right side
    98,670.61x = 7,656,426,020.72
  5. Step 5: Solve for x
    x = 7,656,426,020.72/98,670.61
  6. Step 6: Final answer
    x = 77,595.81

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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.