Home / 98,612.48-136,051.98-56,140.94

Finding the Fourth Proportional to 98,612.48, 136,051.98 and 56,140.94

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Solution

The fourth proportional to 98,612.48, 136,051.98 and 56,140.94 is: 77,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,612.48 : 136,051.98 = 56,140.94 : x
  2. Step 2: Convert to fraction form
    98,612.48/136,051.98 = 56,140.94/x
  3. Step 3: Cross multiply
    98,612.48x = 136,051.98 × 56,140.94
  4. Step 4: Simplify right side
    98,612.48x = 7,638,086,046.06
  5. Step 5: Solve for x
    x = 7,638,086,046.06/98,612.48
  6. Step 6: Final answer
    x = 77,455.57

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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.