Home / 55,988.95-77,263.59-30,495.61

Finding the Fourth Proportional to 55,988.95, 77,263.59 and 30,495.61

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Solution

The fourth proportional to 55,988.95, 77,263.59 and 30,495.61 is: 42,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988.95 : 77,263.59 = 30,495.61 : x
  2. Step 2: Convert to fraction form
    55,988.95/77,263.59 = 30,495.61/x
  3. Step 3: Cross multiply
    55,988.95x = 77,263.59 × 30,495.61
  4. Step 4: Simplify right side
    55,988.95x = 2,356,200,307.84
  5. Step 5: Solve for x
    x = 2,356,200,307.84/55,988.95
  6. Step 6: Final answer
    x = 42,083.31

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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.