Home / 48,459.02-66,863.64-28,312.01

Finding the Fourth Proportional to 48,459.02, 66,863.64 and 28,312.01

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Solution

The fourth proportional to 48,459.02, 66,863.64 and 28,312.01 is: 39,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,459.02 : 66,863.64 = 28,312.01 : x
  2. Step 2: Convert to fraction form
    48,459.02/66,863.64 = 28,312.01/x
  3. Step 3: Cross multiply
    48,459.02x = 66,863.64 × 28,312.01
  4. Step 4: Simplify right side
    48,459.02x = 1,893,044,044.32
  5. Step 5: Solve for x
    x = 1,893,044,044.32/48,459.02
  6. Step 6: Final answer
    x = 39,064.84

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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.