Home / 65,859.01-90,895.66-43,263.45

Finding the Fourth Proportional to 65,859.01, 90,895.66 and 43,263.45

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Solution

The fourth proportional to 65,859.01, 90,895.66 and 43,263.45 is: 59,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,859.01 : 90,895.66 = 43,263.45 : x
  2. Step 2: Convert to fraction form
    65,859.01/90,895.66 = 43,263.45/x
  3. Step 3: Cross multiply
    65,859.01x = 90,895.66 × 43,263.45
  4. Step 4: Simplify right side
    65,859.01x = 3,932,459,841.63
  5. Step 5: Solve for x
    x = 3,932,459,841.63/65,859.01
  6. Step 6: Final answer
    x = 59,710.28

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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.