Home / 85,946.51-118,603.90-47,705.94

Finding the Fourth Proportional to 85,946.51, 118,603.90 and 47,705.94

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Solution

The fourth proportional to 85,946.51, 118,603.90 and 47,705.94 is: 65,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,946.51 : 118,603.90 = 47,705.94 : x
  2. Step 2: Convert to fraction form
    85,946.51/118,603.90 = 47,705.94/x
  3. Step 3: Cross multiply
    85,946.51x = 118,603.90 × 47,705.94
  4. Step 4: Simplify right side
    85,946.51x = 5,658,110,537.17
  5. Step 5: Solve for x
    x = 5,658,110,537.17/85,946.51
  6. Step 6: Final answer
    x = 65,832.93

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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.