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Finding the Fourth Proportional to 65,655.01, 90,494.97 and 46,510.25

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Solution

The fourth proportional to 65,655.01, 90,494.97 and 46,510.25 is: 64,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,655.01 : 90,494.97 = 46,510.25 : x
  2. Step 2: Convert to fraction form
    65,655.01/90,494.97 = 46,510.25/x
  3. Step 3: Cross multiply
    65,655.01x = 90,494.97 × 46,510.25
  4. Step 4: Simplify right side
    65,655.01x = 4,208,943,822.21
  5. Step 5: Solve for x
    x = 4,208,943,822.21/65,655.01
  6. Step 6: Final answer
    x = 64,106.98

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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.