Home / 98,564.02-136,020.09-56,126.50

Finding the Fourth Proportional to 98,564.02, 136,020.09 and 56,126.50

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Solution

The fourth proportional to 98,564.02, 136,020.09 and 56,126.50 is: 77,455.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,564.02 : 136,020.09 = 56,126.50 : x
  2. Step 2: Convert to fraction form
    98,564.02/136,020.09 = 56,126.50/x
  3. Step 3: Cross multiply
    98,564.02x = 136,020.09 × 56,126.50
  4. Step 4: Simplify right side
    98,564.02x = 7,634,331,581.39
  5. Step 5: Solve for x
    x = 7,634,331,581.39/98,564.02
  6. Step 6: Final answer
    x = 77,455.56

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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.