Home / 92,973.17-128,303.16-50,531.60

Finding the Fourth Proportional to 92,973.17, 128,303.16 and 50,531.60

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Solution

The fourth proportional to 92,973.17, 128,303.16 and 50,531.60 is: 69,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,973.17 : 128,303.16 = 50,531.60 : x
  2. Step 2: Convert to fraction form
    92,973.17/128,303.16 = 50,531.60/x
  3. Step 3: Cross multiply
    92,973.17x = 128,303.16 × 50,531.60
  4. Step 4: Simplify right side
    92,973.17x = 6,483,364,091.12
  5. Step 5: Solve for x
    x = 6,483,364,091.12/92,973.17
  6. Step 6: Final answer
    x = 69,733.71

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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.