Home / 66,903.02-92,440.91-64,508.25

Finding the Fourth Proportional to 66,903.02, 92,440.91 and 64,508.25

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Solution

The fourth proportional to 66,903.02, 92,440.91 and 64,508.25 is: 89,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,903.02 : 92,440.91 = 64,508.25 : x
  2. Step 2: Convert to fraction form
    66,903.02/92,440.91 = 64,508.25/x
  3. Step 3: Cross multiply
    66,903.02x = 92,440.91 × 64,508.25
  4. Step 4: Simplify right side
    66,903.02x = 5,963,201,332.51
  5. Step 5: Solve for x
    x = 5,963,201,332.51/66,903.02
  6. Step 6: Final answer
    x = 89,132.02

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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.