Home / 85,820.95-118,436.97-53,574.67

Finding the Fourth Proportional to 85,820.95, 118,436.97 and 53,574.67

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Solution

The fourth proportional to 85,820.95, 118,436.97 and 53,574.67 is: 73,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,820.95 : 118,436.97 = 53,574.67 : x
  2. Step 2: Convert to fraction form
    85,820.95/118,436.97 = 53,574.67/x
  3. Step 3: Cross multiply
    85,820.95x = 118,436.97 × 53,574.67
  4. Step 4: Simplify right side
    85,820.95x = 6,345,221,583.55
  5. Step 5: Solve for x
    x = 6,345,221,583.55/85,820.95
  6. Step 6: Final answer
    x = 73,935.58

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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.