Home / 92,970.23-128,293.71-50,528.48

Finding the Fourth Proportional to 92,970.23, 128,293.71 and 50,528.48

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Solution

The fourth proportional to 92,970.23, 128,293.71 and 50,528.48 is: 69,726.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,970.23 : 128,293.71 = 50,528.48 : x
  2. Step 2: Convert to fraction form
    92,970.23/128,293.71 = 50,528.48/x
  3. Step 3: Cross multiply
    92,970.23x = 128,293.71 × 50,528.48
  4. Step 4: Simplify right side
    92,970.23x = 6,482,486,159.86
  5. Step 5: Solve for x
    x = 6,482,486,159.86/92,970.23
  6. Step 6: Final answer
    x = 69,726.47

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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.