Home / 68,000.51-101,985.28-25,865.53

Finding the Fourth Proportional to 68,000.51, 101,985.28 and 25,865.53

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Solution

The fourth proportional to 68,000.51, 101,985.28 and 25,865.53 is: 38,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000.51 : 101,985.28 = 25,865.53 : x
  2. Step 2: Convert to fraction form
    68,000.51/101,985.28 = 25,865.53/x
  3. Step 3: Cross multiply
    68,000.51x = 101,985.28 × 25,865.53
  4. Step 4: Simplify right side
    68,000.51x = 2,637,902,999.77
  5. Step 5: Solve for x
    x = 2,637,902,999.77/68,000.51
  6. Step 6: Final answer
    x = 38,792.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.