Home / 112,533.18-155,298.51-61,550.70

Finding the Fourth Proportional to 112,533.18, 155,298.51 and 61,550.70

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Solution

The fourth proportional to 112,533.18, 155,298.51 and 61,550.70 is: 84,941.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,533.18 : 155,298.51 = 61,550.70 : x
  2. Step 2: Convert to fraction form
    112,533.18/155,298.51 = 61,550.70/x
  3. Step 3: Cross multiply
    112,533.18x = 155,298.51 × 61,550.70
  4. Step 4: Simplify right side
    112,533.18x = 9,558,731,999.46
  5. Step 5: Solve for x
    x = 9,558,731,999.46/112,533.18
  6. Step 6: Final answer
    x = 84,941.45

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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.