Home / 85,946.81-118,604.75-47,704.13

Finding the Fourth Proportional to 85,946.81, 118,604.75 and 47,704.13

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Solution

The fourth proportional to 85,946.81, 118,604.75 and 47,704.13 is: 65,830.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,946.81 : 118,604.75 = 47,704.13 : x
  2. Step 2: Convert to fraction form
    85,946.81/118,604.75 = 47,704.13/x
  3. Step 3: Cross multiply
    85,946.81x = 118,604.75 × 47,704.13
  4. Step 4: Simplify right side
    85,946.81x = 5,657,935,581.07
  5. Step 5: Solve for x
    x = 5,657,935,581.07/85,946.81
  6. Step 6: Final answer
    x = 65,830.67

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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.